package com.gaohe.common;

import lombok.Data;

import java.util.HashMap;
import java.util.Map;

/*通用返回结果，服务端响应的数据最终都会封装成此对象*/
@Data
public class Result<T> {
    private Integer code; //编码：1成功，0和其它数字为失败
    private String msg; //信息
    private T data; //数据
    private Map map = new HashMap(); //动态数据

    public static <T> Result<T> success() {
        Result<T> r = new Result<T>();
        r.data = null;
        r.code = ResultCode.SUCCESS_CODE;
        return r;
    }

    public static <T> Result<T> success(T object) {
        Result<T> r = new Result<T>();
        r.data = object;
        r.code = ResultCode.SUCCESS_CODE;
        return r;
    }

    public static <T> Result<T> success(Integer code) {
        Result<T> r = new Result<T>();
        r.data = null;
        r.code = code;
        return r;
    }

    public static <T> Result<T> success(T data, String msg) {
        Result<T> r = new Result<T>();
        r.data = data;
        r.code = ResultCode.SUCCESS_CODE;
        r.msg = msg;
        return r;
    }
    public static <T> Result<T> success(String msg) {
        Result<T> r = new Result<T>();
//        r.data = data;
        r.code = ResultCode.SUCCESS_CODE;
        r.msg = msg;
        return r;
    }

    // <T> R<T> 静态方法返回值泛型定义格式
    public static <T> Result<T> error(String msg) {
        Result r = new Result();
        r.msg = msg;
        r.code = ResultCode.ERROR_CODE;
        return r;
    }

    public static <T> Result<T> error(Integer code, String msg) {
        Result r = new Result();
        r.msg = msg;
        r.code = code;
        return r;
    }

    public Result<T> add(String key, Object value) {
        this.map.put(key, value);
        return this;
    }
}
